/**
  * Test that the correct IP is returned by the function 
  * @param  String $ip  The test IP address 
  * @param  String $var The $_SERVER array key 
  *
  * @group pdf-model
  * @dataProvider provider_notifications_list
  */
 public function test_check_notification($notification_name, $notifications, $expected)
 {
     $this->assertEquals($expected, GFPDF_Core_Model::check_notification($notification_name, $notifications));
 }